Home / 958,321,488-1,322,483,652.48-518,288,339.52

Finding the Fourth Proportional to 958,321,488, 1,322,483,652.48 and 518,288,339.52

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Solution

The fourth proportional to 958,321,488, 1,322,483,652.48 and 518,288,339.52 is: 715,237,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,321,488 : 1,322,483,652.48 = 518,288,339.52 : x
  2. Step 2: Convert to fraction form
    958,321,488/1,322,483,652.48 = 518,288,339.52/x
  3. Step 3: Cross multiply
    958,321,488x = 1,322,483,652.48 × 518,288,339.52
  4. Step 4: Simplify right side
    958,321,488x = 685,427,856,286,203,904
  5. Step 5: Solve for x
    x = 685,427,856,286,203,904/958,321,488
  6. Step 6: Final answer
    x = 715,237,908.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.